# RD Sharma Solution CLass 11 Mathematics Chapter 9 Trigonometric Ratios of Multiple and Submultiple Angles

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## Chapter 9 – Trigonometric Ratios of Multiple and Submultiple Angles Exercise Ex. 9VSAQ

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Question 12

If sin x + cos x = a, find the value of sin6 x + cos6 x.

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Question 13

If sin x + cos x = a, find the value of |sin x – cos x|.

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